Since how many days you have pain?
Any problem in breathing?
Family history of heart disease?
I would suspect non cardiac causes of such pain like acid reflux , costochondritis , anxiety , stress,muscular pain , pinched nerve .Also it can be acid reflux pain. take syp pepto bismol.
Take painkiller like motrin, If you have any problem in breathing, or the pain is very severe, then please see doctor.
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